OK, here's a little update. i) Rummaged through basement to find old 2764 EPROM programmer. ii) Built an old Win95/DOSv7 PC out of a Compaq Presario (because it has an ISA slot!). iii) Took copy of EX800 EPROM and burned a new one - put copy of EPROM back into EX800 and it worked! iv) Downloaded and installed a copy of the idaw disassembler. v) ran binary file from EX800 against idaw and got a disassembly guessing that the entry point for the 8085 is location zero in the EPROM. Got what appeared to be a reasonable looking disassembly. So at this point, I now have to find a good reference on the 8085, make a full list of the address space use in the EX800/Poly and start the real work. But we are definitely making progress. Mike H.
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Disassembly update
2006-05-15 by patrioticduo
